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Finding the Fourth Proportional to 541,691.03, 812,232.64 and 371,105.44

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Solution

The fourth proportional to 541,691.03, 812,232.64 and 371,105.44 is: 556,449.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,691.03 : 812,232.64 = 371,105.44 : x
  2. Step 2: Convert to fraction form
    541,691.03/812,232.64 = 371,105.44/x
  3. Step 3: Cross multiply
    541,691.03x = 812,232.64 × 371,105.44
  4. Step 4: Simplify right side
    541,691.03x = 301,423,951,249.56
  5. Step 5: Solve for x
    x = 301,423,951,249.56/541,691.03
  6. Step 6: Final answer
    x = 556,449.96

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.